Note 4 - Leases (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024
Statement [Line Items]
Increase (Decrease) in Operating Lease Liability	$ 11.1
Lessee, Operating Lease, Lease Not Yet Commenced	$ 11.5
Operating Lease, Liability, Statement of Financial Position	Accounts payable and other liabilities	Accounts payable and other liabilities
Operating Lease, Right-of-Use Asset, Statement of Financial Position	Prepaid expenses and other assets	Prepaid expenses and other assets
Northeast [Member]
Statement [Line Items]
Increase (Decrease) in Operating Lease Liability	$ 7.7
Minimum [Member] | Office Leases [Member]
Statement [Line Items]
Lessee, Operating Lease, Term of Contract (Year)	3 years
Maximum [Member] | Office Leases [Member]
Statement [Line Items]
Lessee, Operating Lease, Term of Contract (Year)	5 years